import React, { Component } from 'react';
import {NavLink, Route} from 'react-router-dom';

import Header from './components/Header';
import About from './pages/About';
import Home from './pages/Home';

export default class App extends Component {


    render() {
        return (
            <div>
                <div className="row">
                <div className="col-xs-offset-2 col-xs-8">
                    <Header/>
                </div>
                </div>
                <div className="row">
                <div className="col-xs-2 col-xs-offset-2">
                    <div className="list-group">
                        {/* 原生html中，靠<a>跳转不同的页面 */}
                        {/* <a className="list-group-item" href="./about.html">About</a>
                        <a className="list-group-item active" href="./home.html">Home</a> */}
                        {/* 在React中靠路由链接实现切换组件--编写路由链接 */}
                        <NavLink activeClassName="atguigu" className="list-group-item" to="/about">About</NavLink>
                        <NavLink activeClassName="atguigu" className="list-group-item" to="/home">Home</NavLink>
                    </div>
                </div>
                <div className="col-xs-6">
                    <div className="panel">
                    <div className="panel-body">
                        {/* 注册路由 */}
                        <Route path="/about" component={About}/>
                        <Route path="/home" component={Home}/>
                    </div>
                    </div>
                </div>
                </div>
            </div>
        )
    }
}
